package xiaohu.day1.HJ11;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int n = in.nextInt();
            if (n == 0) {
                System.out.println("0");
            }
            StringBuilder stringBuilder = new StringBuilder();
            while (n > 0) {
                int i = n % 10;
                stringBuilder.append(i);
                n/=10;
            }
            System.out.println(stringBuilder.toString());
        }
    }
}
